Glossary of Terms

Active leaf

The door on a double door set that is the first to be opened.

Anti-crush reinforcers

Reinforcing steel-work strategically positioned to prevent crushing and to strengthen areas particularly vulnerable to attack.

Anti-lever protection

Strategic positioning of cover plates and reinforcer to prevent levering from manual attack devices.

Attack resistant

Designed to resist typical attack points made by the average intruder, using normal equipment.

Corrosion resistance

Offering resistance against corrosion. ie. electro zinc coating to protect the underlying steel.

Cylinder

A component part of a lock which accepts the key, held on by a cylinder ring secured internally by screws.

Cover plate

A reinforced strip, the length on the leading edge of the door to cover the gap between leaf and frame (or leaf and leaf on a double).

Dog Bolts

Case hardened steel dowels strategically positioned for extra security.

Electro-zinc coated

Coating used on mild steel to increase corrosion resistance.

Escape handle

Part of a panic exit system shaped as a handle where more commonly a bar would be used.

Etch Primer

Primer paint with special adhesion properties for use on coated steel.

External access

Gaining entrance through a door set from the outside by means of a key or electronic device.

Fire rating

Having been tested in accordance with BS EN 1634-1: 2008, and given classification reflecting the resistance achieved in time.

Handling

Which side the door is hung (hinged), as viewed with the door opening towards you (see diagram below).

Right hand hung/Outward opening

Right hand hung/Outward opening

Left hand hung/Outward opening

Left hand hung/Outward opening

Left hand hung/Inward opening

Left hand hung/Inward opening

Right hand hung/Inward opening

Right hand hung/Inward opening

Inactive or Passive leaf

The door on a double door set that is the second to be opened.

Leading edge

The edge of the door leaf farthest from the hinge side.

Loss Prevention Certification Board

Part of BRE Certification Ltd. within the Foundation for the built Environment (FBE) . The LPCB operates product certification for fire and security products and services.

LPS 1175

Specification for testing and classifying the burglary resistance of building components.

Manganese Steel

A hardened steel sheet material incorporating manganese which makes it almost impossible to drill through.

Outward opening

When viewing the door from the outside the door would open towards you.

Panic bar

A device to give emergency exit from a door set by retracting it’s locking mechanism when pushed.

Push pad

A rectangular shaped pad which activates a panic escape system where more commonly a bar would be used.

Security rated

Having been tested and evaluated to LPS 1175 and given a security rating by the Loss Prevention Certification Board.

Three point locking

A bolting system which secures the leaf into the frame in three places, normally top, bottom and centrally on the leading edge. Auto bolting systems include catches and triggers to automatically re-secure in these places when the door is closed, without manually resetting the device.

Two point locking

A bolting system which secures the leaf into the frame in two places, normally top and bottom on the leading edge. Auto bolting systems include catches and triggers to automatically re-secure in these places when the door is closed, without manually resetting the device.

Uncertified

A door configuration containing elements outside the scope of the certification.